8.5 years
Annual check-up went well again in my 8th year -- vault distance remains a cataract risk, but not an issue (and may never become an issue) -- pressure, eye health, etc. is otherwise all good, normal, and healthy!
Blog about Implantable Contact Lenses or Intra Collamer Lens (ICL) surgery, Iridotomy, white lines and corneal tattoos. ICLs are an alternative to LASIK or PRK.